Researchers from England discovered what is now considered to be the world's oldest astrolabe -- used in the 1500s by famed explorer Vasco da Gama.
원문출처 : https://www.cnn.com/videos/world/2019/03/18/oldest-astrolabe-guinness-record-orig-js.cnn
원문출처 : https://www.cnn.com/videos/world/2019/03/18/oldest-astrolabe-guinness-record-orig-js.cnn